diff --git a/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java b/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java
index 6b40cdeeaf7f66bb47dfe1f73beed3516b6bd5ef..5bbf3fa2a58e4325907af44e35040a3d76b8fbd3 100644
--- a/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java
+++ b/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java
@@ -7,6 +7,7 @@ import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -21,13 +22,14 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.DoubleNode;
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.fasterxml.jackson.databind.node.LongNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 /**
  * Read the CSV output of the R script and the existing JSON file and append a
  * record to the JSON file based on the CSV dataset.
- * 
+ *
  * @author Reiner Jung
  *
  */
@@ -51,6 +53,24 @@ public class CompileResultsMain {
 			
 			ArrayNode arrayResultsNode = (ArrayNode)resultsNode;
 			
+			long build = arrayResultsNode.size();
+			
+			/** Fix old data in necessary. */
+			for (int i=0;i<arrayResultsNode.size();i++) {
+				JsonNode node = arrayResultsNode.get(i);
+				if (node instanceof ObjectNode) {
+					ObjectNode objectNode = (ObjectNode)node;
+					JsonNode timeValue = objectNode.get("time");
+					if (timeValue == null) {
+						objectNode.put("time", new Date().getTime());
+					}
+					JsonNode buildValue = objectNode.get("build");
+					if (buildValue == null) {
+						objectNode.put("build", i);
+					}
+				}
+			}
+			
 			/** Read CSV file. */
 			final CSVParser csvParser = new CSVParser(Files.newBufferedReader(Paths.get(args[0])), 
 					CSVFormat.DEFAULT.withHeader());
@@ -59,13 +79,18 @@ public class CompileResultsMain {
 			JsonNodeFactory factory = JsonNodeFactory.instance;
 			
 			/** Put CSV in JSON. */
-			for (CSVRecord record : csvParser.getRecords()) {			
+			for (CSVRecord record : csvParser.getRecords()) {
 				Map<String, JsonNode> recordMap = new HashMap<>();
+				recordMap.put("time",new LongNode(new Date().getTime()));
+				recordMap.put("build",new LongNode(build++));
 				for (int i=0; i < record.size(); i++) {
 					recordMap.put(header.get(i), new DoubleNode(Double.parseDouble(record.get(i))));
 				}
 				arrayResultsNode.add(new ObjectNode(factory, recordMap));
 			}
+			
+			/** Check consistency. */
+			
 
 			/** Write JSON file. */
 			ObjectMapper mapper = new ObjectMapper();